The Valve,butterfly, cataloged under National Stock Number 4820-01-323-7138, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-323-7138 |
| Primary Part Number | 2498-00-228 TYPE III 6IN |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Valve Size | 6.000 INCHES IN |
| Mounting Facility | WAFER |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| Material | GRAPHITE PACKING |
| Material | COPPER ALLOY 958 BODY |
| Valve Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2498-00-228 TYPE III 6IN PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 2498-00-228 | D/9 Drawing number reference only Circor Intl Inc |
| 2498-00-228 TYPE III 6IN | 5/9 Secondary reference Circor Intl Inc |
| M71209 | 5/9 Secondary reference Circor Intl Inc |
| 2498-00-228 TYPE 3 6IN | 5/9 Secondary reference Circor Intl Inc |
| 2498-00-228 3 6IN | C/1 Advisory reference — outside the item-of-supply concept Leslie Controls, Inc. Dba Leslie Controls Inc |
NSN 4820-01-323-7138 is a Valve,butterfly, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-323-7138 has 1 manufacturer part number on file: 2498-00-228 TYPE III 6IN (Leslie Controls, Inc. Dba Leslie Controls Inc).
Key specifications for 2498-00-228 TYPE III 6IN: Style Designator: STRAIGHT THRU; Valve Size: 6.000 INCHES IN; Mounting Facility: WAFER; Special Features: WITH GEAR OPERATOR. 8 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.